package exception;

/**
 * JAVA异常处理机制
 */
public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try {
            //String line = null;
            String line = "a";
            System.out.println(line.length());
            System.out.println(line.charAt(0));
            System.out.println(Integer.parseInt(line));
            System.out.println("!!!!!!!!!!!!!!!!!!");
        }catch(NullPointerException | StringIndexOutOfBoundsException e){
            System.out.println("解决了");
        }catch (Exception e){
            System.out.println("出了个错");
        }
        System.out.println("程序结束了");
    }

}
